5278250784 has 48 divisors (see below), whose sum is σ = 14193355680. Its totient is φ = 1716503040.

The previous prime is 5278250777. The next prime is 5278250807. The reversal of 5278250784 is 4870528725.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×5278250784² = 55719862677593229312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666574 + ... + 674445.

It is an arithmetic number, because the mean of its divisors is an integer number (295694910).

Almost surely, 2^5278250784 is an apocalyptic number.

It is an amenable number.

5278250784 is an abundant number, since it is smaller than the sum of its proper divisors (8915104896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5278250784 is a wasteful number, since it uses less digits than its factorization.

5278250784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341073 (or 1341065 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 5278250784 is about 72651.5711048288. The cubic root of 5278250784 is about 1741.1252227723.

The spelling of 5278250784 in words is "five billion, two hundred seventy-eight million, two hundred fifty thousand, seven hundred eighty-four".